What color is #310657?

#310657 is a dark, vivid violet. In RGB it is rgb(49, 6, 87), and in HSL hsl(272, 87%, 18%).

Is #310657 accessible as text?

On white, #310657 has a contrast ratio of 16.23:1 (passes WCAG AA for body text); on black it is 1.29:1 (fails). For text placed on #310657, use white for the best readability.

What is the closest Tailwind color to #310657?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #310657?

#310657 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2B5606. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #310657 below.

Is #310657 good for buttons?

#310657 works well for buttons and highlights, but use white text on #310657 — black text only reaches 1.29:1, below the 4.5:1 needed for normal-size labels.

Is #310657 the same as CSS midnightblue?

No — #310657 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#310657 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #310657

Not just a swatch — here's how #310657 works with other colors. Named schemes with #310657 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #310657 Anchor #141210 Accent #DA9855 Secondary #2A2731 Surface #F3ECE3

Russian Violet carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #310657 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #180020

Russian Violet adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Russian Violet.

Coastal Morning Lead · 5 colors

Lead #310657 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Russian Violet opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Berry & Cream Lead · 5 colors

Lead #310657 Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

Russian Violet sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #310657 Secondary #4C435D Support #9C9088 Ink #18140F

Russian Violet is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Russian Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #310657 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 38/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 77/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 29/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 29/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #310657

For UI

For branding

For interior

For fashion

People also use #310657 with

Navy Blue Tyrian Purple Castleton Green Gainsboro Onyx

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 16.2:1. Use

Subtle surface Use #D7BBEF for cards and hover fills. Tint 80

Avoid beside #4B0656 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #310657 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #310657;
  --color-base-rgb: 49 6 87;
  --color-base-oklch: oklch(26.2% 0.129 301.2);
  --color-50: #F8F0FE;
  --color-100: #ECD8FD;
  --color-200: #D9B3FA;
  --color-300: #BB7FF0;
  --color-400: #9E51E1;
  --color-500: #802EC7;
  --color-600: #652B97;
  --color-700: #4A246B;
  --color-800: #321C45;
  --color-900: #1F132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F8F0FE',
    100: '#ECD8FD',
    200: '#D9B3FA',
    300: '#BB7FF0',
    400: '#9E51E1',
    500: '#802EC7',
    600: '#652B97',
    700: '#4A246B',
    800: '#321C45',
    900: '#1F132A',
  },
}

$base: #310657;
$base-ink: #FFFFFF;
$base-50: #F8F0FE;
$base-100: #ECD8FD;
$base-200: #D9B3FA;
$base-300: #BB7FF0;
$base-400: #9E51E1;
$base-500: #802EC7;
$base-600: #652B97;
$base-700: #4A246B;
$base-800: #321C45;
$base-900: #1F132A;
$base-hover: #270545;
$base-subtle: #C397EA;

{
    "color": {
        "base": {
            "value": "#310657",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F0FE",
                "type": "color"
            },
            "100": {
                "value": "#ECD8FD",
                "type": "color"
            },
            "200": {
                "value": "#D9B3FA",
                "type": "color"
            },
            "300": {
                "value": "#BB7FF0",
                "type": "color"
            },
            "400": {
                "value": "#9E51E1",
                "type": "color"
            },
            "500": {
                "value": "#802EC7",
                "type": "color"
            },
            "600": {
                "value": "#652B97",
                "type": "color"
            },
            "700": {
                "value": "#4A246B",
                "type": "color"
            },
            "800": {
                "value": "#321C45",
                "type": "color"
            },
            "900": {
                "value": "#1F132A",
                "type": "color"
            }
        }
    }
}